Complete the Sum: Mixed Operations

Pupils complete sums that mix addition, subtraction and multiplication on either side, working out the complete side and then undoing the right side's operation.

Verbal ReasoningAge 9+40 minutes

What this topic covers

Work out a complete side that uses multiplication or subtraction.
Find a missing number in an addition or a multiplication on the other side.
Use the inverse operation to find the missing number, and check it.

Core concept summaries

Key ConceptsWorking Out the Complete SideUndoing the Other SideChecking and Traps

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz